A pharmaceutical container including a bottle having a bottom wall and side walls. A ridge proximate to the bottom wall projects from an interior surface of at least one of the side walls, to facilitate nested stacking of a plurality of bottles. One or more of the side walls includes a cover locking receptacle proximate to the top end of the side wall. The pharmaceutical container also includes a cover including a sliding lid contained in a cover housing. The cover housing has a top wall, which includes an opening, and cover side walls. A child-resistant closure mechanism is also provided to limit the movement between the sliding lid and the bottle.
